1 If you move your finger at a steady rate up and down into a puddle of water to make waves, what happens to the wavelength when you move your finger faster (more frequently) 2 A dog can hear sound at frequencies up to 45,000 Hz and a cat can hear sound at frequencies up to 70,000 Hz Which animal hears sounds to shorter wavelengths, cats or dogs 3 A friend of yours tells you that wave frequency and wave speed are the same thing What do you tell them 4 If you have a slinky (coiled spring) and want to make a transverse wave, how do you move it 5 If you have a slinky and want to make a longitudinal wave, how do you move it 6 If you are in a space station, and nearby a rocket blows up, what sound would it make Why 7 How can an electric guitar make a certain sound to shatter a crystal glass 8 John says that sound travels slower in cold air than in warm air Do you agree Why 9 What is the speed of sound on a beach at 40 o C 10 A piano string vibrates in a standing wave pattern, as shown What is the wavelength of the wave 11 Does light travel slower in dense air or thin air What do you think this difference in speed have to do with the duration of daylight 12 Why does the Sun look reddish at sunrise and sunset 13 What is the main difference between visible light and a radio wave 14 Which has the lower frequency red light or blue light 15 When light travels through a medium such as glass, it is refracted What is the relationship between refraction and the speed of light 16 What are the three additive primary colors What are the three subtractive primary colors 17 What do we call two colors that add to produce white 18 Is polarization a property of transverse waves, longitudinal waves, or both 19 When a star is moving away from the Earth, what is the effect on the color of visible light that we see from the star 20 Identical rays of light slow down upon entering three transparent blocks of different materials Rank, from fastest to slowest, the speed at which light travels in each block A B C

Question

1  If you move your finger at a steady rate up and down into a puddle of water to make waves, what happens to the wavelength when you move your finger faster (more frequently)  2  A dog can hear sound at frequencies up to 45,000 Hz and a cat can hear sound at frequencies up to 70,000 Hz  Which animal hears sounds to shorter wavelengths, cats or dogs  3  A friend of yours tells you that wave frequency and wave speed are the same thing  What do you tell them  4  If you have a slinky (coiled spring) and want to make a transverse wave, how do you move it  5  If you have a slinky and want to make a longitudinal wave, how do you move it  6  If you are in a space station, and nearby a rocket blows up, what sound would it make  Why  7  How can an electric guitar make a certain sound to shatter a crystal glass  8  John says that sound travels slower in cold air than in warm air  Do you agree Why  9  What is the speed of sound on a beach at 40 o C  10  A piano string vibrates in a standing wave pattern, as shown  What is the wavelength of the wave  11 Does light travel slower in dense air or thin air  What do you think this difference in speed have to do with the duration of daylight  12 Why does the Sun look reddish at sunrise and sunset  13 What is the main difference between visible light and a radio wave  14 Which has the lower frequency  red light or blue light  15  When light travels through a medium such as glass, it is refracted  What is the relationship between refraction and the speed of light  16  What are the three additive primary colors  What are the three subtractive primary colors  17 What do we call two colors that add to produce white  18 Is polarization a property of transverse waves, longitudinal waves, or both  19  When a star is moving away from the Earth, what is the effect on the color of visible light that we see from the star  20  Identical rays of light slow down upon entering three transparent blocks of different materials  Rank, from fastest to slowest, the speed at which light travels in each block  A B C

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1. If you move your finger at a steady rate up and down into a puddle of water to make waves, what happens to the

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